YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.00 | c | 37.00 | 17.00 | ----- | z | ||
2009 | 25.00 | 27.00 | a | 29.00 | 34.00 | 53.00 | 46.00 | c | 60.00 | 54.00 | 49.00 | 37.00 | 32.00 | 25.00 | 25.00 | d | ||||||||||
2010 | 30.00 | 29.00 | 31.00 | 32.00 | 37.00 | 52.00 | 58.00 | 52.00 | 49.00 | 39.00 | 26.00 | 22.00 | 22.00 | |||||||||||||
2011 | 22.00 | 18.00 | 30.00 | 33.00 | 36.00 | 40.00 | 57.00 | 60.00 | 56.00 | 40.00 | 32.00 | 25.00 | 18.00 | |||||||||||||
2012 | 26.00 | 29.00 | 30.00 | 36.00 | 45.00 | 54.00 | 62.00 | 67.00 | 61.00 | 39.00 | 28.00 | 24.00 | 24.00 | |||||||||||||
2013 | 18.00 | 27.00 | 37.00 | 41.00 | 45.00 | 56.00 | 56.00 | 59.00 | a | 46.00 | 38.00 | 37.00 | 22.00 | 18.00 | a | |||||||||||
2014 | 31.00 | 29.00 | 34.00 | 34.00 | 41.00 | 54.00 | 55.00 | d | 61.00 | a | 50.00 | c | 48.00 | 36.00 | 26.00 | 26.00 | h | |||||||||
2015 | 21.00 | 39.00 | 36.00 | 38.00 | 46.00 | 55.00 | 57.00 | 61.00 | 50.00 | a | 49.00 | 29.00 | 21.00 | 21.00 | a | |||||||||||
2016 | 24.00 | 25.00 | 33.00 | 40.00 | 41.00 | 54.00 | 55.00 | 67.00 | 49.00 | 45.00 | 30.00 | 26.00 | 24.00 | |||||||||||||
2017 | 24.00 | 26.00 | 32.00 | 39.00 | 41.00 | 41.00 | a | 57.00 | 60.00 | 41.00 | 41.00 | 38.00 | i | 29.00 | 24.00 | j | ||||||||||
2018 | 28.00 | 21.00 | 31.00 | 38.00 | 41.00 | 44.00 | 67.00 | 63.00 | 57.00 | 41.00 | 33.00 | 28.00 | 21.00 | |||||||||||||
2019 | 21.00 | 22.00 | 29.00 | 40.00 | 39.00 | 56.00 | 59.00 | 58.00 | 42.00 | 29.00 | 28.00 | 25.00 | 21.00 | |||||||||||||
2020 | 28.00 | 24.00 | a | 29.00 | 35.00 | 40.00 | 41.00 | 59.00 | 57.00 | 47.00 | 40.00 | 26.00 | b | 27.00 | b | 24.00 | e | |||||||||
2021 | 24.00 | 27.00 | 30.00 | 37.00 | 41.00 | 51.00 | 69.00 | 57.00 | 53.00 | 33.00 | 33.00 | 19.00 | 19.00 | |||||||||||||
2022 | 25.00 | a | 26.00 | 26.00 | d | 29.00 | c | 39.00 | 55.00 | 61.00 | 54.00 | 52.00 | ----- | z | 34.00 | f | 26.00 | ----- | z | |||||||
2023 | 29.00 | a | 26.00 | k | 32.00 | 32.00 | 35.00 | 50.00 | 52.00 | 53.00 | 50.00 | 38.00 | c | 28.00 | 29.00 | a | 26.00 | p | ||||||||
2024 | 28.00 | 31.00 | 30.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.25 | 26.67 | 31.19 | 35.87 | 41.33 | 49.93 | 58.93 | 58.87 | 50.13 | 39.73 | 31.07 | 24.44 | 21.30 | |||||||||||||
S.D. | 3.62 | 4.84 | 2.79 | 3.52 | 4.51 | 5.91 | 4.48 | 4.61 | 5.29 | 5.08 | 3.81 | 3.44 | 2.50 | |||||||||||||
SKEW | -0.23 | 0.68 | 0.51 | -0.25 | 1.02 | -0.63 | 0.89 | 0.30 | 0.22 | -0.04 | 0.28 | -0.64 | 0.05 | |||||||||||||
MAX | 31.00 | 39.00 | 37.00 | 41.00 | 53.00 | 56.00 | 69.00 | 67.00 | 61.00 | 49.00 | 37.00 | 29.00 | 25.00 | |||||||||||||
MIN | 18.00 | 18.00 | 26.00 | 29.00 | 35.00 | 40.00 | 52.00 | 52.00 | 41.00 | 29.00 | 26.00 | 17.00 | 18.00 | |||||||||||||
YRS | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 10 |